Pneumonia--pre-existing lung disease.
D000368:Aged; D000667:Ampicillin / Q000627:therapeutic use; D002908:Chronic Disease; D004357:Drug Synergism; D006193:Haemophilus influenzae / Q000472:pathogenicity; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000150:complications* / Q000188:drug therapy; D008297:Male; D009761:Nystatin / Q000627:therapeutic use; D011014:Pneumonia / Q000150:complications*; D013183:Sputum / Q000382:microbiology; D013449:Sulfonamides / Q000627:therapeutic use; D013752:Tetracycline / Q000627:therapeutic use; D014295:Trimethoprim / Q000627:therapeutic use
D013449:Sulfonamides; D009761:Nystatin; D000667:Ampicillin; D014295:Trimethoprim; D013752:Tetracycline